Extra 300/SC - Page 114

CHAPTER 12
PAGE 10
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 1. August 2014
5 Remove oil pressure screen housing from engine accessory
housing.
6 Remove oil pressure screen from its housing.
7 Inspect oil pressure screen for metal particles and clean.
8 Assemble oil pressure screen to its housing.
9 Reinstall oil pressure screen housing to the engine acces-
sory housing using a new gasket.
IMPORTANT Ensure oil sump is empty prior to the following step.
10 Disconnect oil hose from oil suction sump fitting.
11 Cut the safety wire and remove the hex sump plug with oil
suction sump fitting.
12 Remove oil suction screen from sump, inspect for metal
particles and clean.
N O T I C E When the oil suction screen is removed, extreme care
must be taken to ensure that the sump plug, located in
the extreme end of the scavenger oil chamber is not dis-
lodged from its location. If this plug is not secure in its
correct location, lubrication failure will occur with
severe damage to the engine.
13 Reinstall the oil suction screen.
14 Reinstall hex sump plug using a new O-ring and secure with
wire.
15 Connect oil hose with oil suction sump fitting. Fitting can
be alligned by loosing and refastening its counternut.
16 Replenish oil as per Chapter 12-10-04.